Add getShares and createShare Subsonic endpoints

tests/mock_persistence.go

@@ -56,7 +56,7 @@ func (db *MockDataStore) Genre(context.Context) model.GenreRepository {
 
 func (db *MockDataStore) Playlist(context.Context) model.PlaylistRepository {
 	if db.MockedPlaylist == nil {
-		db.MockedPlaylist = struct{ model.PlaylistRepository }{}
+		db.MockedPlaylist = &MockPlaylistRepo{}
 	}
 	return db.MockedPlaylist
 }

tests/mock_playlist_repo.go

@@ -0,0 +1,33 @@
+package tests
+
+import (
+	"github.com/deluan/rest"
+	"github.com/navidrome/navidrome/model"
+)
+
+type MockPlaylistRepo struct {
+	model.PlaylistRepository
+
+	Entity *model.Playlist
+	Error  error
+}
+
+func (m *MockPlaylistRepo) Get(_ string) (*model.Playlist, error) {
+	if m.Error != nil {
+		return nil, m.Error
+	}
+	if m.Entity == nil {
+		return nil, model.ErrNotFound
+	}
+	return m.Entity, nil
+}
+
+func (m *MockPlaylistRepo) Count(_ ...rest.QueryOptions) (int64, error) {
+	if m.Error != nil {
+		return 0, m.Error
+	}
+	if m.Entity == nil {
+		return 0, nil
+	}
+	return 1, nil
+}